11980067571 has 12 divisors (see below), whose sum is σ = 17312138272. Its totient is φ = 7983205776.

The previous prime is 11980067563. The next prime is 11980067579. The reversal of 11980067571 is 17576008911.

11980067571 is a `hidden beast` number, since 1 + 19 + 8 + 0 + 0 + 67 + 571 = 666.

It is an interprime number because it is at equal distance from previous prime (11980067563) and next prime (11980067579).

It is not a de Polignac number, because 11980067571 - 2³ = 11980067563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11980067579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270436 + ... + 311601.

Almost surely, 2^11980067571 is an apocalyptic number.

11980067571 is a deficient number, since it is larger than the sum of its proper divisors (5332070701).

11980067571 is a wasteful number, since it uses less digits than its factorization.

11980067571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584330 (or 584327 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 45.

The spelling of 11980067571 in words is "eleven billion, nine hundred eighty million, sixty-seven thousand, five hundred seventy-one".